{"id":"CVE-2022-26353","url":"https://www.cyber-defence.io/tools/cve/CVE-2022-26353","generatedAt":"2026-10-27T19:57:44.778Z","title":"This flaw was inadvertently introduced with the fix for CVE-2021-3748, which forgot to unmap the cached virtqueue elements on error, leading to memory leakage and other unexpected results.","description":"A flaw was found in the virtio-net device of QEMU. This flaw was inadvertently introduced with the fix for CVE-2021-3748, which forgot to unmap the cached virtqueue elements on error, leading to memory leakage and other unexpected results. Affected QEMU version: 6.2.0.","published":"2022-03-16T15:15:17.000Z","lastModified":"2026-06-17T04:35:02.000Z","status":"Modified","sourceIdentifier":"secalert@redhat.com","cvss":{"version":"3.1","score":7.5,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},"cwe":["CWE-772"],"affected":["qemu/qemu","debian/debian linux"],"epss":{"score":0.02743,"percentile":0.86077,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (2.74%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"https://gitlab.com/qemu-project/qemu/-/commit/abe300d9d894f7138e1af7c8e9c88c04bfe98b37","tags":["Patch","Third Party Advisory"],"source":"secalert@redhat.com"},{"url":"https://lists.nongnu.org/archive/html/qemu-devel/2022-03/msg02438.html","tags":["Mailing List","Patch","Vendor Advisory"],"source":"secalert@redhat.com"},{"url":"https://security.gentoo.org/glsa/202208-27","tags":["Third Party Advisory"],"source":"secalert@redhat.com"},{"url":"https://security.netapp.com/advisory/ntap-20220425-0003/","tags":["Third Party Advisory"],"source":"secalert@redhat.com"},{"url":"https://www.debian.org/security/2022/dsa-5133","tags":["Third Party Advisory"],"source":"secalert@redhat.com"},{"url":"https://gitlab.com/qemu-project/qemu/-/commit/abe300d9d894f7138e1af7c8e9c88c04bfe98b37","tags":["Patch","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://lists.nongnu.org/archive/html/qemu-devel/2022-03/msg02438.html","tags":["Mailing List","Patch","Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://security.gentoo.org/glsa/202208-27","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://security.netapp.com/advisory/ntap-20220425-0003/","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.debian.org/security/2022/dsa-5133","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2022-26353","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}